1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
4  */
5 
6 #ifndef _WG_TIMERS_H
7 #define _WG_TIMERS_H
8 
9 #include <linux/ktime.h>
10 
11 struct wg_peer;
12 
13 void wg_timers_init(struct wg_peer *peer);
14 void wg_timers_stop(struct wg_peer *peer);
15 void wg_timers_data_sent(struct wg_peer *peer);
16 void wg_timers_data_received(struct wg_peer *peer);
17 void wg_timers_any_authenticated_packet_sent(struct wg_peer *peer);
18 void wg_timers_any_authenticated_packet_received(struct wg_peer *peer);
19 void wg_timers_handshake_initiated(struct wg_peer *peer);
20 void wg_timers_handshake_complete(struct wg_peer *peer);
21 void wg_timers_session_derived(struct wg_peer *peer);
22 void wg_timers_any_authenticated_packet_traversal(struct wg_peer *peer);
23 
wg_birthdate_has_expired(u64 birthday_nanoseconds,u64 expiration_seconds)24 static inline bool wg_birthdate_has_expired(u64 birthday_nanoseconds,
25 					    u64 expiration_seconds)
26 {
27 	return (s64)(birthday_nanoseconds + expiration_seconds * NSEC_PER_SEC)
28 		<= (s64)ktime_get_coarse_boottime_ns();
29 }
30 
31 #endif /* _WG_TIMERS_H */
32